Thermal Magnetic Circuit Breakers

Thermal magnetic circuit breakers are devices that provide protection against overcurrent in circuits. Circuit breakers use an automatically operated electrical switch to disrupt the flow of current when an overload or short circuit is detected. Thermal magnetic circuit breakers do this using an electromagnet and bimetallic strips. 


Circuit breakers provide more sophisticated protection against overcurrent than a simple fuse. Fuses simply burn out and have to be replaced, whereas circuit breakers just need to be reset.


How do thermal magnetic circuit breakers work?

In thermal magnetic circuit breakers, there are two ways the flow of current might be detected and disrupted. In the event of a short circuit, the electromagnet rapidly trips the switch. If the overload is smaller, over a longer period of time, the bimetallic strips will instead eventually react to trip the switch. 


What are thermal magnetic circuit breakers used for?

Thermal magnetic circuit breakers are most often used in distribution boards. They make up part of the subsidiary circuits in the broader electrical supply system, protecting against overcurrent.


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Omschrijving Prijs Current Rating Number of Poles Range Voltage Rating Width Series Application Break Time Breaking Capacity at Maximum Voltage Rating Circuit Breaker Type Mounting Hole Diameter Mounting Hole Length Mounting Hole Size Mounting Hole Width
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RS-stocknr. 210-2077
Fabrikantnummer3120-N526-P7T1-W01D-10A-A04011011M
FabrikantETA
49,51 €
Each
Aantal stuks
10A 2 - 50 V DC, 240 V AC 36.2mm 3120-N - - - - - - - -
RS-stocknr. 201-6352
Fabrikantnummer2800875
FabrikantPhoenix Contact
56,26 €
Each
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8A 2 Trabtech 80V dc 24.6mm CB TM2 - - - - - - - -
RS-stocknr. 175-1595
FabrikantnummerGV4PEM80S6
448,65 €
Each
Aantal stuks
80A 3 TeSys 690V ac 116mm GV4PEM - - 10 kA @ 660 → 690 V ac - - - - -
RS-stocknr. 868-8914
Fabrikantnummer4411.0011
FabrikantSchurter
13,77 €
Each
Aantal stuks
10A 1 - 28 V dc, 240 V ac - T13 - - - - - - - -
RS-stocknr. 201-6351
Fabrikantnummer2800835
FabrikantPhoenix Contact
28,13 €
Each
Aantal stuks
500mA 1 Trabtech 50V dc 12.3mm CB TM1 - - - - - - - -
RS-stocknr. 2509256296
FabrikantnummerW58-XC4C12A-1
FabrikantTE Connectivity
6,71 €
Each
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RS-stocknr. 2508361053
FabrikantnummerC5A2P-489
44,16 €
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RS-stocknr. 2509494035
FabrikantnummerC5A1P-489
22,08 €
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RS-stocknr. 2509494041
FabrikantnummerC10A1P-489
22,08 €
Each
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RS-stocknr. 2509494079
FabrikantnummerC25A1P-489
22,08 €
Each
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RS-stocknr. 2508421837
FabrikantnummerTR-11CY637A
FabrikantAltech
4,09 €
Each
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RS-stocknr. 2509493997
FabrikantnummerC5A3P
59,60 €
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RS-stocknr. 2509549567
Fabrikantnummer3BU15R
FabrikantAltech
39,74 €
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RS-stocknr. 2508357830
FabrikantnummerC1A2P
39,74 €
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RS-stocknr. 2509493903
FabrikantnummerC2A1P
19,87 €
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RS-stocknr. 2509493975
FabrikantnummerC15A2P
39,74 €
Each
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RS-stocknr. 2509493688
FabrikantnummerC1A1P
19,87 €
Each
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RS-stocknr. 2508421770
FabrikantnummerTR-11CX632A
FabrikantAltech
4,50 €
Each
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RS-stocknr. 2509493925
FabrikantnummerC20A1P
19,87 €
Each
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